28575183

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 50305920

約数和(自身を除く): 21730737

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 787, 931, 1729, 1911, 2361, 2793, 5187, 5509, 10231, 12103, 14953, 16527, 30693, 36309, 38563, 44859, 71617, 104671, 115689, 194389, 214851, 314013, 501319, 583167, 732697, 1360723, 1503957, 2198091, 4082169, 9525061, 28575183]

約数ペア:

[(1, 28575183), (3, 9525061), (7, 4082169), (13, 2198091), (19, 1503957), (21, 1360723), (39, 732697), (49, 583167), (57, 501319), (91, 314013), (133, 214851), (147, 194389), (247, 115689), (273, 104671), (399, 71617), (637, 44859), (741, 38563), (787, 36309), (931, 30693), (1729, 16527), (1911, 14953), (2361, 12103), (2793, 10231), (5187, 5509)]